Home / 80,583.73-120,833.88-36,172.24

Finding the Fourth Proportional to 80,583.73, 120,833.88 and 36,172.24

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Solution

The fourth proportional to 80,583.73, 120,833.88 and 36,172.24 is: 54,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,583.73 : 120,833.88 = 36,172.24 : x
  2. Step 2: Convert to fraction form
    80,583.73/120,833.88 = 36,172.24/x
  3. Step 3: Cross multiply
    80,583.73x = 120,833.88 × 36,172.24
  4. Step 4: Simplify right side
    80,583.73x = 4,370,832,107.49
  5. Step 5: Solve for x
    x = 4,370,832,107.49/80,583.73
  6. Step 6: Final answer
    x = 54,239.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.